# -*- coding: utf-8 -*-
# @Time    : 2021/2/21 下午9:01
# @Author  : tangbing
# @Email   : tangbingb@chanjet.com
from random import Random


def random_gudingLength(length1):
    num = ''
    chars = '0123456789'
    length = len(chars) - 1
    random = Random()
    for i in range(length1):
        num +=chars[random.randint(0, length)]
    # print(num)
    return num


if __name__ == '__main__':
    random_gudingLength(25)